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Clean Hydrogen Partnership

Fire at a desulphurisation unit of a refinery

Event

Event ID
829
Quality
Description
A fire occurred on a flange of a hydro-desulphurisation unit during start-up operations. A failure of this flange caused of the leak.
Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Fire (No additional details provided)
Macro-region
Europe
Country
France
Date
Main component involved?
Flange
How was it involved?
Leak & Formation Of A Flammable H2-Air Mixture
Initiating cause
Material Degradation (Generic)
Root causes
Unknown (No additional details provided)

Facility

Application
Petrochemical Industry
Sub-application
Hydrodesulphurisation process
Hydrogen supply chain stage
All components affected
a valve of a hydrodesulfurization unit
Location type
Open
Location description
Industrial Area
Operational condition
Pre-event occurrences
The incident occurred at the start up of the unit

Emergency & Consequences

Number of injured persons
0
Number of fatalities
0

Event Nature

Release type
gas
Involved substances (% vol)
H2 100%
Presumed ignition source
Not reported

References

Reference & weblink

ARIA data base <br />
event no. 11662

JRC assessment